### SAOImageDS9 Version 1.8 Release Notes

#### Version 1.8.7.8

1. `Dialog windows now use the same colormap as the parent window.`
2. `Fixed a problem with the tile xpa point.`

#### Version 1.8.7.7

1. `Fixed a problem with updating the Contour dialog box.`
2. `Fixed another problem with .gz, .Z, and .z`
3. `Coordinate Grids now support WCS of projection TNX.`
4. `Improved the appearance of Grids while in Internal Mode.`

#### Version 1.8.7.6

1. `Fixed a problem with running under linux and displaying on Solaris.`
2. `Fixed a problem with Truecolor 8 support.`
3. `Added Coordinate Grids!`
4. `Mouse coordinates may be printed by pressing the 'C' key. Which coordinates are printed may be specified via the 'Edit:Preferences:Print Coordinates' menu.`
5. `Default Region Parameters now can be specified via the Preferences menu.`
6. `Contour Dialog has been redesigned and Contour scales and limits added.`
7. `Fixed a problem with Contour scales log, squared, and sqrt.`
8. `The user can save and load contours via the Contour Parameter Dialog Box. The contours may be any supported coordinate system.`
9. `The user can save and load contour levels via the Contour Parameter Dialog Box.`
10. `Fixed a problem with file names that contain .z, .Z, .gz`

#### Version 1.8.7.5

1. `Fixed a problem with Truecolor 24 bit visuals under Solaris 7`
2. `Fixed a problem with selecting Ruler Regions that are horizontal or vertical.`

#### Version 1.8.7.4

1. `Fixed a major bug with mosaics with an amplifier that reads out in reverse and the data has been flipped before writing.`

#### Version 1.8.7.3

1. `New wcssubs: Fixed a problem with wcs of RA--NCP and DEC--NCP`
2. `Fixed a problem with 'Scale:User Limits'`
3. `Removed a warning message if xpa is not available`
4. `The coordinate info box is updated while editing regions`
5. `Fixed a problem with the window manager closing region dialog boxes, regions list dialog box, and analysis result dialog box`
6. `List Regions, Display Header, and the Analysis Dialog box now have options for printing, saving, and searching the contents.`
7. `Display Header now supports multiple dialogs, one for each frame.`
8. `Fixed a problem with parsing region files and the LINE region.`
9. `Fixed a problem with polygon regions and PROS region file formats.`
10. `All regions are deleted when 'Clear Frame' or 'Open' action taken.`
11. `When creating Text regions, the 'Cancel' button now works.`
12. `'Clear Frame' has been moved from 'File menu to 'Frame' menu.`
13. `shell variable DS9_ARRAY may be used to define default array parameters. Example: $export DS9_ARRAY='[dim=512,bitpix=-32]'`
14. `shell variable DS9_BINKEY may be used to define default FITS bin table cols. Example: $export DS9_BINKEY='[bin=rawx,rawy]'`
15. `new 'Open Array...' menu item has been added to the 'File' menu.`
16. `Changes to following ommand line options:`
17. `-array, -mosaicimage, -mosaicimages, -mosaicsegment, -shared`

#### Version 1.8.7.2

1. `Add the -iconify command line option.`
2. `FITS Region Binary Table Region file format is supported for input.`

#### Version 1.8.7.1

1. `Now using BLT 2.4l`
2. `Now using X11R6`
3. `Fixed a problem with selecting blink frames multiple times.`
4. `Fixed a problem with Line Regions always printing with arrows.`
5. `Fixed a problem when a printing error occurs.`
6. `External File support is now available.`
7. `External Analysis support is now available.`
8. `Added Frame refresh menu item.`
9. `Fixed a problem with shared memory size.`
10. `XPA frame has changed. The argument is now only a number, not a name. This clears up some problems with syntax. If the frame does not exists, the frame is created. The option 'frameno' is provided for backward compatiblity.`
11. `Example: xpaset -p ds9 frame 2 # goto frame name 'frame2'`
    `xpaset -p ds9 frame frameno 4 # goto frame name 'frame4'`

#### Version 1.8.7

1. `Scale type 'Ln' has been removed.`
2. `Contour scales Log, Sqrt, and Squared have been fixed.`
3. `Contour Dialog box is now non-modal.`
4. `Fixed a problem with the FITS Header Dialog box.`
5. `Support for > 256 colors in truecolor mode.`
6. `New PS level 2 drivers that support more than 256 colors.`
7. `Crosshairs will now appear in the magnifier if graphics enabled.`
8. `Improved on the gui in terms of tile and blink. Now ds9 is in one of 3 display modes: single frame, tile frames, and blink frames.`
9. `You can now Show or Hide frames, via the Frame:Show/Hide menu. When a frame is 'Hidden', it does not appear in Single, Tile, or Blink mode, and can not be selected via the Frames menu.`
10. `Added a new mode: Examine. While in examine mode, if you click, a new frame is created, loaded with the same data, and scaled about the point you clicked. If the base frame is a FITS image, it is zoomed, if the base frame is a FITS binary table, it is blocked. The file is not loaded again, but shared between frames, requiring little additional memory. When you clear or delete a base frame, all examine frames are deleted. Options as to how many frames are created and the scale factor may be specified via the preferences menu.`

#### Version 1.8.6.9

1. `Support for FITS Bin Table Type 'U' (unsigned short) and Type 'V' (unsigned long). Note these are not supported by the FITS standard.`
2. `Added new default colormap 'Cool'`
3. `SAOtng and PROS Regions file support: if wcs coords are used, yet no wcs system has been specified, the native wcs of the file is used.`
4. `Regions now are available in the magnifier (user prerference)`
5. `Fixed a problem with working with line regions at high zoom factors`
6. `Fixed a problem with working with polygon regions at high zoom factors`

#### Version 1.8.6.8

1. `Fixed again problems with FITS Tables, Binning, Physical Coords, and WCS`

#### Version 1.8.6.7

1. `Binning on a third column is now supported`
2. `Fixed a problem with FITS Tables and bit fields`

#### Version 1.8.6.6

1. `Added new 'Zoom to Fit Window' function`
2. `Added new 'Block to Fit Window' function`
3. `Added 'Block to...' function`
4. `'Mode' menu has been moved to under 'Edit' menu.`
5. `Show/Hide Panner and Magnifier via the prefs, command line, and xpa`
6. `Tear-Off menus now have window titles`
7. `minor changes to xpa options syntax (no more -options), see XPA for more info.`
8. `xpa colormap is no longer case sensitive`
9. `fixed a problem with tables and physical coordinates`
10. `fixed a problem with interactive pan/zoom/rotate and coordinates`

#### Version 1.8.6.5

1. `Fixed a problem with reading IRAF Pros regions files`

#### Version 1.8.6.4

1. `Fixed a problem with Little Endian Machines and doubles in FITS bin tables`

#### Version 1.8.6.3

1. `Now supports SAOtng regions files in physical coordinates.`

#### Version 1.8.6.2

1. `Improved Region clipping`
2. `Fixed a problem with finding the Preferences File`

#### Version 1.8.6.1

1. `Fixed a rather nasty bug with rendering Circle Regions. This bug would sometimes cause the X Server to hang.`
2. `Now does a better job of creating the default size regions.`
3. `Frame buttons Prev and Next now will cycle thru all frames.`

#### Version 1.8.6

1. `Automatic Tile Mode with multiple files on command line`
2. `Fixed problems with HTTP and FTP access`
3. `Fixed another problem with FITS Bin tables and regions`
4. `There are now 2 modes for interactive panning-- default click to center`
5. - `Click to Center (SAOimage method)`
   - `Drag to Center (Native DS9 method)`
6. `New frames use the current user scale limits and colorscale.`
7. `Added frameno option to FRAME xpa point`
8. `REGION SAVE FORMAT menu now reflects coords available`

#### Version 1.8.5

1. `New GUI Buttons Bar`
2. `Rearranged Menus, smaller desktop footprint`
3. `New Tiling algorithms`
4. `Truecolor 8bit support`
5. `$ds9 -visual truecolor8`
6. `Truecolor 16bit support`
7. `$ds9 -visual truecolor16`
8. `Truecolor 24bit enhancements`
9. `$ds9 -visual truecolor24`
10. `Pseudocolor 8bit enhancements`
11. `$ds9 -visual pseudocolor8`
12. `Regions Modes now intergrated into Pointer Mode`
13. `New colormaps have been added`
14. `Fixed a problem with FITS ext names`
15. `Editing RECTANGLE regions resizes about the opposite node, not the center`
16. `Polished the GUI for creating regions`
17. `list/save regions in saoimage format now outputs points`
18. `Fixed a problem with existing regions and blocking`

#### Version 1.8.4.1

1. `Fixed problem with rotate mode and updating menus`

#### Version 1.8.4

1. `24 bit color support`
2. `New Postscript drivers`
3. - `CMYK support`
   - `Variable resolution`
4. `Online Documentation!`
5. `Fixed a problem with Physical Coordinates and FITS Bin Tables`
6. `Sticky file names have been implemented`
7. `Fixed a problem with standard dialogs and double/triple clicks`
8. `If Header window is open, load will display the new header`
9. `Delete Frame now asks for confirmation`
10. `Fixed a problem with arrays and xpa`
11. `Fixed a problem with FITS keyword inheritance`
12. `for FITS bin tables, the keywords BIN, BINKEY, and KEY are equivalent`
13. `Fixed a problem with regions and tiled frames`
14. `Keystroke shortcuts have been added to the GUI`
15. `Added WCS menu items to preferences saved`
16. `Added 'Clear Preferences' to preferences menu`
17. `Mouse button 2 is now bound to 'Pan' function`
18. `Minor changes to layout of Small and Large Infomation Panel`
19. `Fixed problem with pseudocolor 8 and private colormaps`

#### Version 1.8.3

1. `Fixed a problem with arrays and xpa`
2. `xpaget regions: you now can specify coord/coordformat/format`
3. `$ xpaget ds9 regions -format pros -coord fk4 -coordformat hms`
4. `Interactive rotation is now works!`
5. `PanZoom Dialog and Rotate Dialog now have 'Apply' buttons`
6. `Preferences have been implemented. 'Save Preferences' will save the current values of the 'Preferences' and 'View' menus in $HOME/.ds9.prefs. On startup, this values will be used.`
7. `Source user tcl file has been implemented. If $HOME/.ds9 exists, it will be sourced on start up.`
8. `New Standard Dialog box has been implemented. User now has a choice of motif, windows, or 'blue plate special' dialog boxes.`
9. `'$ xpaget ds9 file' now returns full file name`
10. `More tolerant of non-existent or bad files.`
11. `More robust checking of mosaic files`
12. `FITS keyword inheritance is now supported.`
13. `Mosaic Multiple Extension Fits files are now supported.`
14. `Coordinate name 'CCD' has been changed to 'Physical'`

#### Version 1.8.2

1. `Support for raw data arrays`
2. `$ ds9 "foo.arr[xdim=512,ydim=512,bitpix=-32]"`
   `$ ds9 "foo.arr[xdim=512,ydim=512,bitpix=16,skip=100]"`
   `$ ds9 "foo.arr[dim=1024,bitpix=8,bigendian]"`
   `$ ds9 "foo.arr[dim=1024,bitpix=8,arch=littleendian]"`
3. `xpa support for raw data arrays`
4. `$ cat foo.arr | xpaset ds9 array "[dim=512,bitpix=16]"`

#### Version 1.8.1.2

1. `fixed problem with printing`

#### Version 1.8.1.1

1. `fix problem with change of xpa api`

#### Version 1.8.1

1. `fix blockfactor,blockbuffersize, and blockfunction command line options.`
2. `fixed problem with Marker type Line Dialog box.`
3. `Added new marker type: Ruler.`
4. `fixed major problem with regions files and loading via xpa.`
5. `Added arrows to line marker.`
6. `more robust error handling.`
7. `bin table extension names and column names are no longer case sensitive.`
8. `fixed problem with printing to different page sizes`

#### Version 1.8

1. `Fixed a major memory leak`
2. `Fixed a XPA printing problem`
3. `Fixed problem with LOG scale`
4. `the xpa application name is now "ds9".`
5. `the xpa class name is now "DS9"`
6. `example:`
   `$ xpaget ds9 version # get version number from just ds9`
   `$ xpaget DS9:ds9 version # get version number from just ds9`
7. `$ xpaget DS9: version # get version number for all DS9 apps`
8. `Markers!`